<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div img {

            height: 200px;
        }

        .text {
            width: 0;
            height: 0;
            border: 100px solid gray;
            border-radius: 100px;
            border-right-color: #fff;
        } 
    </style>
</head>

<body>
    <div>
        <img src="images/left.png" alt="">
        <img src="images/1.png" alt="">
        <img src="images/2.png" alt="">
        <img src="images/3.png" alt="">
        <img src="images/4.png" alt="">
        <img src="images/5.png" alt="">
        <img src="images/6.png" alt="">
        <img src="images/7.png" alt="">
        <img src="images/right.png" alt="">
    </div>
    <div class="text"></div>
</body>

</html>